13026980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{6449}}^1$

素因数の和:6559

約数の個数: 24

約数和(自身を含む): 27631800

約数和(自身を除く): 14604820

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 6449, 12898, 25796, 32245, 64490, 128980, 651349, 1302698, 2605396, 3256745, 6513490, 13026980]

約数ペア:

[(1, 13026980), (2, 6513490), (4, 3256745), (5, 2605396), (10, 1302698), (20, 651349), (101, 128980), (202, 64490), (404, 32245), (505, 25796), (1010, 12898), (2020, 6449)]